Clamping apparatus for plastic pipe

Details Clamping apparatus for plastic pipe Clamping apparatus for plastic pipe

1982-03-15

1984-05-01

Schmidt, Frederick R.

Work holders

Plural holders to hold workpieces relative to each other

Workpieces normal to each other

269228, 156499, 156556, 156580, 100283, B25B 120

Patent

active

044456778

ABSTRACT:
An apparatus for clamping a plastic fitting against a plastic pipe and for holding them together with a predetermined clamping force includes a carriage and guide means for guiding the carriage in vertical motion above a fixed pipe support portion. A frame portion is fixed with respect to the pipe support portion, and first and second toggle links are pivoted to the carriage, to the frame portion and to each other in such a way that the links can achieve an aligned position in which the carriage is in its lowermost location. A mechanical interference means is provided to prevent the toggle links from going significantly past the dead center position represented by the alignment. Means are connected to the carriage for holding the plastic fitting, and lever means are provided for rotating one of the toggle links.

REFERENCES:
patent: 3043175 (1962-07-01), Gallob
patent: 3311367 (1967-03-01), Sendoykas
patent: 3743566 (1973-07-01), Louthan et al.
patent: 3917497 (1975-11-01), Stickler
patent: 3966528 (1976-06-01), Christie
patent: 4088072 (1978-05-01), Wittmeier
patent: 4092205 (1978-05-01), Mieszczak
patent: 4157174 (1979-06-01), Hickman et al.

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